Add IPAM foundation objects and schemas

Add device model, supernet prefixes, and ASN number pool for IPAM
foundation
Add IP prefix and address schemas with resource manager support
Add device model schema with port specifications
Add site IP prefix relationships and fabric device model relationships

infrahub/schemas/base.yml

@@ -75,6 +75,18 @@ nodes:
         cardinality: many
         kind: Generic
         description: Fabrics deployed at this site
+      - name: infra_prefix
+        peer: IpamIPPrefix
+        identifier: site__infra_prefix
+        cardinality: one
+        optional: true
+        description: "Infrastructure IP prefix for this site"
+      - name: services_prefix
+        peer: IpamIPPrefix
+        identifier: site__services_prefix
+        cardinality: one
+        optional: true
+        description: "Services IP prefix for this site"
 
   # ================================================================
   # Platform
@@ -184,6 +196,11 @@ nodes:
         cardinality: one
         optional: true
         description: Fabric this device belongs to
+      - name: model
+        peer: InfraDeviceModel
+        cardinality: one
+        optional: true
+        description: Hardware device model
 
   # ================================================================
   # Interface Types (inherit from InfraInterface generic)